CVE-2023-53995
Vulnerability Scoring
Analysis In Progress
CVE-2023-53995 Vulnerability Analysis & Exploit Details
CVE-2023-53995
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2023-53995 Details
Status: Received on 24 Dec 2025, 11:15 UTC
Published on: 24 Dec 2025, 11:15 UTC
CVSS Release:
CVE-2023-53995 Vulnerability Summary
CVE-2023-53995: In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix one memleak in __inet_del_ifa() I got the below warning when do fuzzing test: unregister_netdevice: waiting for bond0 to become free. Usage count = 2 It can be repoduced via: ip link add bond0 type bond sysctl -w net.ipv4.conf.bond0.promote_secondaries=1 ip addr add 4.117.174.103/0 scope 0x40 dev bond0 ip addr add 192.168.100.111/255.255.255.254 scope 0 dev bond0 ip addr add 0.0.0.4/0 scope 0x40 secondary dev bond0 ip addr del 4.117.174.103/0 scope 0x40 dev bond0 ip link delete bond0 type bond In this reproduction test case, an incorrect 'last_prim' is found in __inet_del_ifa(), as a result, the secondary address(0.0.0.4/0 scope 0x40) is lost. The memory of the secondary address is leaked and the reference of in_device and net_device is leaked. Fix this problem: Look for 'last_prim' starting at location of the deleted IP and inserting the promoted IP into the location of 'last_prim'.
Assessing the Risk of CVE-2023-53995
Access Complexity Graph
The exploitability of CVE-2023-53995 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2023-53995
No exploitability data is available for CVE-2023-53995.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2023-53995, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2023-53995, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2023-53995 does not compromise confidentiality.
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Integrity:
None
CVE-2023-53995 does not impact data integrity.
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Availability:
None
CVE-2023-53995 does not affect system availability.
CVE-2023-53995 References
External References
- https://git.kernel.org/stable/c/2f1e86014d0cc084886c36a2d77bc620e2d42618
- https://git.kernel.org/stable/c/42652af5360d30b43b06057c193739e7dfb18f42
- https://git.kernel.org/stable/c/5624f26a3574500ce23929cb2c9976a0dec9920a
- https://git.kernel.org/stable/c/7c8ddcdab1b900bed69cad6beef477fff116289e
- https://git.kernel.org/stable/c/980f8445479814509a3cd55a8eabaae1c9030a4c
- https://git.kernel.org/stable/c/ac28b1ec6135649b5d78b028e47264cb3ebca5ea
CWE Common Weakness Enumeration
Unknown
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